Monday, February 9, 2026

Kindness Is Not Optional

By Karen Swallow Prior

Sunday, February 08, 2026

 

This past Christmas, I mailed out holiday cards for the first time in several years. My family recently lost my mom and my dad lives with us, so my husband and I included him in our family photo card. I sent one card to a friend from long ago who’s never met my father. “He has a kind face,” she wrote back to me. Then she added she’d guess he also is a kind man.

 

She’s right: He does, and he is.

 

The New Testament invokes an apt metaphor when it commands Christians to “clothe” ourselves with kindness. To be clothed in something suggests a quality that is both felt by the wearer and seen by others. Kindness is like this: It resides inside a person but is outwardly visible.

 

Many philosophers, artists, and writers throughout history have considered the ways in which various character qualities can be expressed by the outward appearance of a person. Such ideas were drawn in part from the premodern belief (long outdated) that human bodies are comprised of the same elements that make up the macrocosm and that the balance of these elements (the “humors”) contributes to both bodily composition and personality. This understanding of the interconnectedness of body and character led to a symbolic view of physical form.

 

In Geoffrey Chaucer’s The Canterbury Tales, for example, each pilgrim’s physical appearance corresponds to their character: The young, noble squire has curly locks of hair and sits well on his horse; the hard-working yeoman (or farmer) has close-cropped hair and sun-browned face; the duplicitous merchant wears fancy clothes and a forked beard; the Oxford scholar, who would rather buy books than food, is rail thin and sober-faced; the lusty Wife of Bath’s loose morals are suggested by the gap between her teeth; and the utterly corrupt summoner has narrow eyes, flaky skin, and a scanty beard.

 

Of course, no such neat correlation really exists. Eventually, the pseudoscience of physiognomy—which, reaching its height of influence in the 19th century, purported to assess qualities of character and even intelligence based on facial features—brought this easy equation of the inner and outer qualities of a person to its ludicrous conclusion. But that doesn’t mean there is no connection at all between character qualities and the physical body. Perhaps there is a measure of wisdom and truth in the earlier, ancient understandings held long before the excesses of scientism. Sometimes the virtues we practice and attain do become us—and we they—in a way that can manifest in our bodies. This may be especially true of the virtue of kindness.

 

Indeed, a growing body of research shows that people who are kind gain physical and mental health benefits. Kindness doesn’t just help the recipient of kindness but, it seems, it helps the person who is kind.

 

A 2024 NPR segment showcased research demonstrating this connection between kindness and health. For example, one study showed that after two years of volunteering as tutors for underprivileged kids for at least 15 hours a week, participants’ brain health gained measurable improvements. Other research found that people who volunteer regularly have a lower risk of mortality and can perform physical activities at higher levels. Additional studies have linked kindness with improved cardiovascular health, likely because acts of kindness often require more physical activity, which improves both bodily and mental health. Being kind can also increase the happiness of those who act with kindness consistently. Thus, kindness, as with all other virtues, is its own reward.

 

Yet kindness is more than just a self-improvement plan. It is central to Christian teaching and the Christian life.

 

First, God himself is kind, as the scriptures state over and over. He who is himself love says that love is kind. God is characterized as exhibiting lovingkindness, having compassion for all he has made, and demonstrating his love for us by sending Christ to die for us when we were not deserving of such a sacrifice on our behalf.

 

Christians are likewise instructed to be kind: Christians are commanded in the Bible to be clothed, as already mentioned, in the qualities of mercy, humility, patience, and kindness. Additionally, the Apostle Paul says that Christians “must not be quarrelsome but must be kind to everyone, able to teach, not resentful.” Kindness often goes against our own nature, but because it is a fruit of the Holy Spirit, Christians have help in developing it. Being kind demonstrates to others the very nature of God and marks our identity in God, showing we are of the same kind as him. Kindness is an outward expression of inward compassion. Kindness is, for the Christian, obedience to God and the display of his character through our bodies—our hands, feet, faces, eyes, wrinkles, and words—to all the world.

 

But what is kindness? It’s crucial to know what kindness is—and what it is not.

 

Kindness isn’t the same as being nice, which simply means being pleasant or agreeable. Kindness can be pleasant or agreeable, but it goes much deeper, and it can sometimes diverge from those two things. The word “kindness” comes from the root word “kin,” a fact I discuss in my chapter on the virtue of kindness in On Reading Well: Finding the Good Life through Good Books. To be kind is to recognize that others are of like kind. Thus, kindness essentially means treating others as though they are family. Healthy family relationships center neither on flattery or contrariness but are open, honest, and loving—even, or especially, when dealing with difficult situations or hard truths.

 

Because kindness is a virtue, it must be tied to other virtues such as justice, courage, and prudence. Moreover, like all virtues, kindness moderates between an extreme of excess and an extreme of deficiency. Kindness is the balance between the vices of contrariness (or quarrelsomeness) and obsequiousness (or flattery). And, like all virtues, kindness has an opposing vice. Some assume the opposite of kindness is cruelty, but there is a longer tradition that, perhaps surprisingly, points to another vice as the one that directly opposes kindness: envy.

 

While kindness is essentially good will toward another, envy is ill will. Thomas Aquinas defines envy, simply, as “sorrow for another’s good.” While good will leads naturally to acts of kindness, ill will leads easily to cruelty—actions that increase the suffering, rather than the joys, of the object of envy. Envy arises from vainglory, Aquinas observes, and produces “daughters” of its own. Envy leads to gossip and defamation, joy at another’s pain, and pain in another’s joy.

 

Kindness is rooted in the desire to love one’s neighbor. Envy is rooted in the desire to best one’s neighbor. Envy culminates in hatred. Before Cain murdered his brother Abel, he envied him.

 

The trajectory from envy to hatred—and away from kindness—is descriptive of some alarming trends in the discourse among some claiming to represent Christianity and Christian interests. Across social media, certain self-appointed “thought leaders,” heads of institutions, and journalists are trafficking in tale-bearing, degrading and defaming, taking sorrow in the joys of others, and delighting in others’ pain. In doing so, they embrace hatred, not love, and spurn the central Christian virtue of kindness.

 

The failure to pursue kindness is not only a failure to live up to the doctrines and demands of the Christian faith, but unkindness—as both scientific research and the Bible show—ultimately harms the person who is unkind as well.

 

Again, artists have captured the way the kindness or envy we feel inside and express in our actions is worn on our very bodies. The envious person is often portrayed as lean and rakish, prickly in both words and appearance, while the kind person is depicted as generous in body, spirit, and face. We see this contrast between Charles Dickens’ Ebeneezer Scrooge and Fezziwig in A Christmas Carol, for example. Other characters who display these contrasts include Shakespeare’s “lean and hungry” Cassius in contrast to the crinkly eyes and rosy cheeks of Jolly Ol’ Saint Nick. Or the Hunchback of Notre Dame in contrast to the laugh-lined face of Gandalf.

 

Envy consumes.

 

Kindness generates.

 

For the Christian, kindness isn’t optional. Nor is it optional for a civil society.

 

The good news is that while kindness isn’t natural for most of us, it can, like all virtues, be cultivated through practice. Such practice requires exercise and intention. But, like a muscle, with practice kindness becomes easier, more natural and habitual. Even better news is research that shows that kindness is contagious. Kindness has ripple effects that go far beyond the initial act or gesture. But the same is true of cruelty too, unfortunately.

 

Kindness isn’t likely to stop wars, prevent violence, or satisfy the lusts of the envious heart. But like a leaven, kindness can make our lives and our world a bit lighter, a little more expansive, and lift all whom it touches—including the ones who wear it.

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